Pressed grid plate (grating): the cross bar of this type of product is the flat steel with the smaller cross section. The cross section is generally no more than 1/2 of the bearing flat steel. It is pressed in from the just top of the bearing flat steel. It is light in dead weight, beautiful in appearance and smooth in surface. It can serve as the ditch cover plate, ventilated grating cover plate, rainwater grate, all kinds of walkway slab, suspended ceilings, lamp grating, isolated boards at the entrances and exits. The bearing flat steel is 1.8 to 3.0 mm in thickness.